Bluetooth: btmrvl: add surprise_removed flag
This flag will be set in unload path to make sure that we skip
sending further commands, ignore interrupts and stop main thread
when unload starts.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index c435b58..c4a542c 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -178,6 +178,11 @@
struct sk_buff *skb;
struct hci_command_hdr *hdr;
+ if (priv->surprise_removed) {
+ BT_ERR("Card is removed");
+ return -EFAULT;
+ }
+
skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC);
if (skb == NULL) {
BT_ERR("No free skb");
@@ -600,7 +605,7 @@
add_wait_queue(&thread->wait_q, &wait);
set_current_state(TASK_INTERRUPTIBLE);
- if (kthread_should_stop()) {
+ if (kthread_should_stop() || priv->surprise_removed) {
BT_DBG("main_thread: break from main thread");
break;
}
@@ -619,7 +624,7 @@
BT_DBG("main_thread woke up");
- if (kthread_should_stop()) {
+ if (kthread_should_stop() || priv->surprise_removed) {
BT_DBG("main_thread: break from main thread");
break;
}